Freon Gas Standard Back Catalog number: 98948 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679544 13C3-Cephacetrile, 10mg Price on request 3145.18-K-CF 12-Hydroxystearic acid,1000 µg/mL,chloroform,1mL, Price on request CFN98784 Luteolin, >98%, 20mg Price on request